What is web front end

In recent years, the Internet has developed rapidly, and front-end development has received more and more attention. So, what is front-end development? To put it simply, it is to use some programming languages ​​​​(such as HTML, CSS, JavaScript) to develop web pages and create the effects that users ultimately see.

Front-end skills can be divided into three levels: basic skills, advanced skills and advanced skills.

1. Basic skills

1. HTML: The structure and content of web pages are determined by HTML.
2. CSS: CSS controls the style of web pages, including fonts, colors, margins, layout, etc.
3. JavaScript: JavaScript is used to achieve interactive effects on web pages.
4. Web Security: Learn how to keep your website secure.
5. How the browser works: Understanding the structure and working principle of the browser can better optimize web page performance.

2. Advanced Skills

1. Responsive Web Design: The website can adapt to devices with different screen sizes.
2. CSS preprocessor: Use LESS, SASS and other tools to simplify CSS writing and debugging.
3. Front-end framework: such as React, Vue, etc., used to speed up development efficiency.
4. Webpack: can automatically build front-end projects.
5. Ajax: Asynchronous data interaction without refreshing the page.

3. Advanced skills

1. Mobile terminal development: Understand the characteristics and technologies of mobile terminals, and create web pages and applications suitable for mobile devices.
2. Server-side rendering (SSR): Use Node.js to render web pages to improve page loading speed and SEO optimization effects.
3. PWA: Progressive Web Application, which can improve user experience offline.
4. Website performance optimization: Use some technologies (such as caching, CDN, etc.) to optimize website performance and improve page loading speed.
5. Web authentication: such as OAuth2.0, JWT, etc., to ensure the security of the website.

In short, front-end development is a very important skill, which is very useful both at work and in personal hobbies. If you want to become an excellent front-end developer, it is recommended that you have a strong desire for knowledge, a spirit of continuous learning, and a rigorous work attitude, so that you can continuously improve your abilities.

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